Overview
- Description
- Mattermost versions 9.5.x <= 9.5.5 and 9.8.0, when using shared channels with multiple remote servers connected, fail to check that the remote server A requesting the server B to update the profile picture of a user is the remote that actually has the user as a local one . This allows a malicious remote A to change the profile images of users that belong to another remote server C that is connected to the server A.
- Source
- responsibledisclosure@mattermost.com
- NVD status
- Analyzed
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 5.3
- Impact score
- 1.4
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Severity
- MEDIUM
Weaknesses
- nvd@nist.gov
- NVD-CWE-Other
- responsibledisclosure@mattermost.com
- CWE-284
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D07BE1B5-9663-4112-9F58-A4BAD0BEC92F",
"versionEndExcluding": "9.5.6",
"versionStartIncluding": "9.5.0"
},
{
"criteria": "cpe:2.3:a:mattermost:mattermost:9.8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5A6B8170-2CB1-4691-B1DD-BCD0F46A0A44"
}
],
"operator": "OR"
}
]
}
]